12387-0422 GIR   3AC

12h 38m 43.36s -04 22' 24.8" P.A. 359 sep 164.9 mag 6.82,10.22 Sp M0III dist. 250.63 pc (817.56 l.y.)

Coord 2000
12387-0422
Discov num
GIR   3
Comp
AC
Coord arcsec 2000
12 38 43.36 -04 22 24.8
Date first
1893
Date last
2012
Obs
9
Pa first
358
Pa last
359
P.A. Now (θ)
359°
Sep first
164.5
Sep last
164.9
Sep. Now (ρ)
164.9"
Mag pri
6.82
Mag sec
10.22
delta mag (ΔM)
3.4
Spectral class
M0III (red)
Pri motion ra
-048
Sec motion ra
-014
Pri motion dec
-002
Sec motion dec
+001
Notes
N (See Notes)


rPM=0.71

Nature of this double is uncertain.



12387-0422 SYSTEM COMPONENTS

Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 12387-0422 S 639 AB 1783 2012 29 109 56.8 6.82 9.99 3.17
Show 12387-0422 GIR 3 AC 1893 2012 9 359 164.9 6.82 10.22 3.40 <===
Triple system
3 visible stars in this system



OTHER CATALOGS AND DESIGNATIONS

Precise pa
359.2
Precise sep
164.91
Constellation
Virgo
HIP
61685
Tycho2
4951-00492-1
HD
109944
BD
BD-03 3329
Distance
250.63
Distance ly
817.56
last precise pa
359.2
last precise sep
164.91




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12387-0422 GIR 3 AC 1999 7 359 164.6 6.82 10.22 D 123843.36-042224.8
12387-0422 GIR 3 AC 2000 8 359 164.0 6.82 10.22 N D 123843.36-042224.8
12387-0422 GIR 3 AC 2012 9 359 164.9 6.82 10.22 N D 123843.36-042224.8

If you need more information about this double, apply for a data request form to the WDS.